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Citation: WANG Jun, LIU Wei-Hua, LI Cui-Qin, GE Teng-Jie, YANG Jin-Zong. Influence of Self-assembled Dendritic Polyamidoamine on Phase Transfer Behavior of Helianthine[J]. Chinese Journal of Applied Chemistry, ;2005, 22(6): 679-681. shu

Influence of Self-assembled Dendritic Polyamidoamine on Phase Transfer Behavior of Helianthine

1.
a College of Chemistry and Chemical Engineering, Daqing Petroleum Institute, Daqing 163318;
2.
b State Key Laboratory of Fine Chemicals, Dailian University of Technology, Dalian

Corresponding author: WANG Jun,
Received Date: 28 July 2004
Available Online: 8 November 2004
Fund Project: 黑龙江省教育厅资助项目(10511121) (10511121)

The influences of the concentration and generation of polyamidoamine dendrimer,the ratio of dodecanoic acid to toluene,and pH in the water phase on the extraction yield of helianthine were systematically studied by selecting helianthine as the guest molecule and electrostatic self-assembled PAMAM as the host.The experimental results show that the extraction yield of helianthine increased with the increase of the generation and concentration of the polyamidoamine dendrimer.When the mass ratio of dodecanoic acid to toluene was 1:10,pH value was 7.3,the extraction yield of helianthine was the maximum.When the concentrations of 1.0,2.0 and 3.0 generations of polyamidoamine dendrimer were all 0.21 mmol/L,their self-assembled dendrimers of 1.0,2.0 and 3.0 generations of polyamidoamine dendrimer with dodecanoic acid exhibited the corresponding maximal extraction yields of helianthine,i.e.,6.04%,41.61% and 68.50%,respectively.The action mechanism of the host-guest molecule in the phase transfer system is analyzed.
- dendrimer,
- polyamidoamine,
- helianthine,
- molecular self-assembly
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